B - Operations – Transporting – 65 – H
Patent
B - Operations, Transporting
65
H
270/40
B65H 29/58 (2006.01) B65H 29/16 (2006.01) B65H 31/36 (2006.01)
Patent
CA 1072991
.angle. ABSTRACT In the automatic conveyor system for conveying corrugated cardboard sheets from a sheet making machine, the sheets are delivered to a right angle roller conveyor to change the direction of the travel of the sheets at right angles to the delivery from the sheet making machine; a transfer conveyor receives the sheets from the right angle conveyor and transfers the sheets to a stacker conveyor at the stacker end of which latter the sheets are stacked. A back-up aligning device facing toward the direction from which the sheets are delivered from the sheets making is adjustable in accordance with the size of sheet. Above the transfer conveyor is a snubber with pre- determined relation to the sheets thereon, and means are provided to adjust the snubber conveyor also in accordance with the size of the sheets. At the stacker end of the stacker conveyor are back-stops against which the sheets abut to be aligned in the stack. Means are provided for adjusting the distance of the back-stop from the stacker end of the stack or conveyor in accordance with the respective dimension of the sheets. At the stacker end of the there are also aligning means provided for the side edges of the sheets and means are provided for adjusting the distance between the side aligners on the side to the back-up alignment, also in accordance with the respective dimension of the sheets. A sensor at each of the ad- justing means is connected into a circuit whereby the device is set to the respective dimensions of the sheet and in one operation through this electric circuit all the aforesaid adjustable devices are adjusted and set to conform to the respective dimensions of the sheets. A safety device at the stacker end of the stacker conveyor automatically stops the operation of the stacker conveyor should the back-stops accidentally lower on the top of the stack or on some person. The circuits connected through an instrument board whereby the circuits are adjusted to preset the entire system to a sheet size then to operate the whole system for adjustment to the respective dimensions of the sheets.
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